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How do i deactivate siren on lp1-4000?

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We have 97 questions about mending 'ferroli optimax heating'

How to mend Ferroli Optimax Heating

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No heating, ferroli, errors not listed?

I've got a ferroli Optimax HE plus 31 c It's stopped heating water. Tried resetting it and I've seen 3 diffe... [Read more]
Mend ferroli optimax he 31 c boiler

I have a ferroli optimax he 31 c boiler ?

The heating just seems to turn on and off randomly having not been programmed.Any idea why ?
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1

How turn off heating in Ferolli Optimax 31c?

I dont know how turn off heating in my boiler. I Have remote controller with thermostate but i think is not co... [Read more]
Mend ferroli optimax he 31c

Ferroli optimax HE 31C?

my fuse box tripped and it turned off my boiler and now the boiler is showing high on the gauge and flashing F... [Read more]
Mend ferroli optimax he 31 c

Ferroli Optimax he 31 c?

Can't get any hot water doesn't seem to ignite when we open any of the hot water taps or shower . Just had a... [Read more]
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how to fix ferroli optimax 25 c?

why would heating stay on continuous wth r stat link removed and timer link out, only controll that works is t... [Read more]
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Any ideas on how to fix my Ferroli Optimax HE Plus 31 C combi boiler?Ferrol?

Ferroli Optimax HE Plus 31 C 3 years old from new. Have heating but no hot water, when I turn on hot tap the D... [Read more]
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1

how can i fix my optimax HE 31c?

Got ferroli boiler optimax he 31c no heating or hot water but got a flashing F on front panel ! Any ideas ?
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Ferroli Optimax plus HE 31 C?

I pressed reset and held button down, now can't get boiler working It just flashes F 47 Read somewhere that ... [Read more]
Mend ferroli optimax 31c

How to repair leaks/remove pump on Ferroli Optimax HE 31C Super plus?

I had a fault code with my Ferroli Optimax HE 31C Super Plus showing it was a return sensor fault. I found tha... [Read more]
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1

ferroli optimax plus he31c?

Ican get central heating but no hot water the boiler is firing up when hot water is demande but cold is coming... [Read more]
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Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [Read more]
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How can I fix my heater optimax he 31 c?

Hot water is fine.There is no error message.The heating temperature increases quickly with a flame icon on the... [Read more]
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1

ferroli optimax HE31C the digital display is saying 'no CN''? ?

We have no hot water or central heating, no other error code is displayed. I've turned off at the mains, press... [Read more]
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ferroli optimax 26 problem?

hi can anyone advise me my boiler is currently displaying -- the fan is on but no hot water and no heatin... [Read more]
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Ferolli optimax He31 c d1 fault code?

Hi there. I am showing d1 on the display of my ferolli optiamax 31c he boiler. I have hot water (which is now... [Read more]
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1

Ferrolli optimax 31c?

Works on hot water and on heating test mode but not on normal heating mode
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Ferolli Optimax HE 31C expansion vessel change?
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Hi how to increase the water pressure on ferroli optimax 25C?
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How can i repair a noCN fault on my boiler?
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Parts for ferroli optimax he 31c ?
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i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
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Ferroli Optimax HE31c a26 problem?

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